Why is my Unix limiting me to 10 semaphores?

[Checkpoint Technologies]

  I've got Interactive Unix 2.2.  In my mtune file, it says:

SEMMNI          10      10      10

  This I understand tells idtune to limit me to a max of 10 semaphores.
Is this artificial?  Can I change the max to something larger, say 100
semaphores?  Ten is not enough for the things I'm doing.
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